LM3556TME/NOPB

LED Driver IC Overview

The LM3556TME/NOPB is a DC-DC boost converter IC designed for LED driving applications, manufactured by Texas Instruments. It features an integrated I2C interface for precise control and dimming regulation. The device operates within an input voltage range of 2.5V to 5.5V and delivers a regulated output current up to 1.5A in flash mode. It utilizes a 16-pin DSBGA package and supports switching frequencies of 4MHz. The component is rated for an operating temperature range from -40°C to +85°C.

LED Driver IC Feature Summary

• Integrated I2C interface enables digital control and dimming regulation for system integration.
• Internal power switch supports high-current output suitable for camera flash applications.
• Compact 16-DSBGA package design facilitates space-constrained PCB layouts.

LED Driver IC Applications

• Camera flash illumination
• LED driver circuits
• Mobile device lighting systems

LED Driver IC Procurement Notes

Verify the specific ordering suffix and manufacturer documentation to confirm current availability status. Check official datasheets for RoHS compliance details and moisture sensitivity levels prior to procurement. Ensure that the selected package variant matches the required footprint specifications for the target application design.

LED Driver IC Selection Notes

Select this component when an I2C-controlled boost converter with high peak current capability is required. Consider the 16-DSBGA package size constraints and the 4MHz switching frequency impact on external passive component selection. Evaluate thermal performance requirements relative to the intended duty cycle and ambient operating conditions.

LED Driver IC Part Context

This part belongs to the LM3556 series of LED drivers from Texas Instruments. It is categorized under Power Management ICs (PMIC) specifically for LED lighting applications. The device complements other TI solutions by providing a compact, digitally controllable boost topology for portable electronics requiring high-brightness flash functionality.

LED Driver IC Replacement Considerations

Consult official substitution guides for equivalent parts with similar I2C interfaces and current ratings. Verify pin compatibility and electrical parameters before replacing existing designs with alternative manufacturers' components.